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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG677514326

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677514326

Diamond specifications and retailer prices

From HK$1,240 HKD
$158 USD
As of October 28, 2026
Save HK$5,347 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$6,587 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677514326 or 677514326. Listed at 10 retailers as of October 28, 2026, with prices from HK$1,240 to HK$6,587, a HK$5,347 spread on the same certified stone. MOH London lists it at HK$6,587. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514326
Dimensions6.89 × 5.51 × 3.65 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm5.51 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514326
Side View
Table 62.0%Crown 31.2°Girdle: MED-VTKPavilion 40.8°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$6,587 HKD|Low: HK$1,240 HKD|High: HK$6,587 HKD|Avg: HK$2,934 HKD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10HK$1,240 HKD
Retailer 6HK$1,397 HKD
Retailer 9HK$2,275 HKD
Retailer 2HK$2,403 HKD
Retailer 7HK$2,597 HKD
Retailer 4HK$2,653 HKD
Retailer 5HK$2,660 HKD
Retailer 8HK$3,319 HKD
Retailer 3HK$4,890 HKD
MOH LondonHK$6,587 HKD

42 data points across 10 retailers

10 retailersHK$1,240 HKD to HK$6,587 HKD

A
Cheapest Retailer
-
HK$1,240 HKD
$158 USD
Final sale: no returns
A
Retailer 2
-
HK$1,397 HKD
$178 USD
View
A
Retailer 3
-
HK$2,275 HKD
$290 USD
View
A
Retailer 4
-
HK$2,403 HKD
£241 GBP
View
A
Retailer 5
-
HK$2,597 HKD
$331 USD
View
A
Retailer 6
-
HK$2,653 HKD
€322 EUR
View
A
Retailer 7
-
HK$2,660 HKD
£267 GBP
View
B+
Retailer 8
-
HK$3,319 HKD
$423 USD
View
B+
Retailer 9
-
HK$4,890 HKD
$623 USD
View
Most Expensive
B
MOH London
LG677514326 · Oct 29
HK$6,587 HKD
£661 GBP
View
9 more retailers have this diamond
Prices start from HK$1,240 HKDSave up to HK$5,347 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Cushion
HK$1,240 HKD